<template>
    <el-card>
        <el-table border style="margin: 10px 0px;" :data="skuArr">
            <el-table-column label="序号" type="index" align="center" width="80px"></el-table-column>
            <el-table-column label="名称" show-overflow-tooltip width="180px" prop="skuName"></el-table-column>
            <el-table-column label="描述" show-overflow-tooltip width="180px" prop="skuDesc"></el-table-column>
            <el-table-column label="图片" width="180px">
                <template #="{row,$index}">
                    <img :src="row.skuDefaultImg" style="width: 100px; height: 100px;">
                </template>
            </el-table-column>
            <el-table-column label="重量" width="180px" prop="weight"></el-table-column>
            <el-table-column label="价格" width="180px" prop="price"></el-table-column>
            <el-table-column label="操作" width="250px" fixed="right">
                <template #="{row,$index}">
                    <el-button type="primary" size="small" :icon="row.isSale==1?'Bottom':'Top'" @click="updateSale(row)" v-has="`btn.Sku.updown`"></el-button>
                    <el-button type="primary" size="small" icon="Edit" @click="updateSku" v-has="`btn.Sku.update`"></el-button>
                    <el-button type="primary" size="small" icon="InfoFilled" @click="findSku(row)" v-has="`btn.Sku.detail`"></el-button>
                    <el-popconfirm :title="`你确定要删除${row.skuName}`" width="200px" @confirm="removeSku(row.id)">
                        <template #reference>
                            <el-button type="primary" size="small" icon="Delete" v-has="`btn.Sku.remove`"></el-button>
                        </template>
                    </el-popconfirm>
                </template>
            </el-table-column>
        </el-table>
        <el-pagination
            v-model:current-page="pageNo"
            v-model:page-size="pageSize"
            :page-sizes="[10, 20, 30, 40]"
            :background="true"
            layout=" prev, pager, next, jumper,->, sizes,total"
            :total="total"
            @current-change="hander"
            @size-change="handler"
        />
        <!-- 抽屉组件：展示商品详情 -->
        <el-drawer v-model="drawer">
            <template #header>
                <h4>查看商品的详情</h4>
            </template>
            <template #default>
                <el-row style="margin: 10px 0px;">
                    <el-col :span="6">名称</el-col>
                    <el-col :span="18">{{ skuInfo.skuName }}</el-col>
                </el-row>
                <el-row style="margin: 10px 0px;">
                    <el-col :span="6">描述</el-col>
                    <el-col :span="18">{{skuInfo.skuDesc}}</el-col>
                </el-row>
                <el-row style="margin: 10px 0px;">
                    <el-col :span="6">价格</el-col>
                    <el-col :span="18">{{skuInfo.price}}</el-col>
                </el-row>
                <el-row style="margin: 10px 0px;">
                    <el-col :span="6">平台属性</el-col>
                    <el-col :span="18">
                        <el-tag style="margin: 5px;" v-for="item in skuInfo.skuAttrValueList" :key="item.id">{{ item.valueName }}</el-tag>
                    </el-col>
                </el-row>
                <el-row style="margin: 10px 0px;">
                    <el-col :span="6">销售属性</el-col>
                    <el-col :span="18">
                        <el-tag style="margin: 5px;" v-for="item in skuInfo.skuSaleAttrValueList" :key="item.id">{{ item.saleAttrValueName }}</el-tag>
                    </el-col>
                </el-row>
                <el-row style="margin: 10px 0px;">
                    <el-col :span="6">商品图片</el-col>
                    <el-col :span="18">
                        <el-carousel :interval="4000" type="card" height="200px">
                            <el-carousel-item v-for="item in skuInfo.skuImageList" :key="item.id">
                                <img :src="item.imgUrl" style="width: 100%;height: 100%;">
                            </el-carousel-item>
                        </el-carousel>
                    </el-col>
                </el-row>
            </template>
        </el-drawer>
    </el-card>
</template>

<script lang="ts" setup name="Sku">
    import {ref,onMounted} from 'vue'
    import {reqRemoveSku,reqSkuList,reqSkuSale,reqCancelSale,reqSkuInfo} from '@/api/product/sku'
    import type {SkuResponseData,SkuData,SkuInfoData} from '@/api/product/sku/type'
    import { ElMessage } from 'element-plus'

    // 分页器当前页码
    let pageNo=ref<number>(1)
    // 一页展示的几条数据
    let pageSize=ref<number>(10)
    // 数据总数
    let total=ref<number>(0)
    // sku数据
    let skuArr=ref<SkuData[]>([])
    // 控制抽屉显示与隐藏
    let drawer=ref<boolean>(false)
    // Sku详情
    let skuInfo=ref<any>({})

    // 组件挂载完毕
    onMounted(()=>{
        getHasSku()
    })

    // 获取已有的Sku
    async function getHasSku(pager=1){
        // 当前分页器的页码
        pageNo.value=pager
        let result:SkuResponseData=await reqSkuList(pageNo.value,pageSize.value)
        if(result.code==200){
            total.value=result.data.total
            skuArr.value=result.data.records
        }
    }

    // 页码变化时回调
    function hander(currentPage:number){
        getHasSku(currentPage)
    }

    // 分页器下拉菜单发生变化时回调
    function handler(pageSize:number){
        // pageSize会自动绑定，不需要自己修改。
        // 重新获取Sku数据 
        getHasSku()
    }

    // 商品的上架与下架接口
    async function updateSale(row:SkuData){
        // isSale==1 说明当前商品是上架的状态，更新为下架
        if(row.isSale==1){
            await reqCancelSale((row.id as number))
            // 提示信息
            ElMessage({
                type:'success',
                message:'下架成功'
            })
        }else{
            await reqSkuSale((row.id as number))
            // 提示信息
            ElMessage({
                type:'success',
                message:'上架成功'
            })
        }
        // 获取更新完毕的已有的Sku
        getHasSku(pageNo.value)
    }

    // 更新已有的Sku
    function updateSku(){
        ElMessage({
            type:'success',
            message:'程序员在努力的更新中...'
        })
    }

    // 查看商品详情按钮的回调
    async function findSku(row:SkuData){
        // 抽屉展示
        drawer.value=true
        // 获取商品详情的数据
        let result:SkuInfoData=await reqSkuInfo((row.id as number))
        // 存储已有的Sku
        skuInfo.value=result.data
    }

    // 删除某个已有的sku
    async function removeSku(skuId:number){
        let result=await reqRemoveSku(skuId)
        if(result.code==200){
            ElMessage({
                type:'success',
                message:'删除成功'
            })
            // 获取已有商品
            getHasSku(skuArr.value.length>1?pageNo.value:pageNo.value-1)
        }else{
            ElMessage({
                type:'error',
                message:'删除失败'
            })
        }
    }
</script>

<style scoped>
    .el-carousel__item h3 {
    color: #475669;
    opacity: 0.75;
    line-height: 200px;
    margin: 0;
    text-align: center;
    }

    .el-carousel__item:nth-child(2n) {
    background-color: #99a9bf;
    }

    .el-carousel__item:nth-child(2n + 1) {
    background-color: #d3dce6;
    }
</style>